120NQ045R International Rectifier Corp., 120NQ045R Datasheet - Page 4

• Manufacturer Part Number: 120NQ045R
• Description: SCHOTTKY RECTIFIER
• Manufacturer: International Rectifier Corp.

120NQ...(R) Series
Bulletin PD-2.224 rev. D 07/04
4
(2) Formula used: T
Pd = Forward Power Loss = I
Pd
Fig. 5 - Maximum Allowable Case Temperature
REV
160
150
140
130
120
110
100
90
80
= Inverse Power Loss = V
0
S quare wave (D = 0.50)
80% Rated V applied
Average Forward Current - I
see note (2)
Vs. Average Forward Current
CURR ENT
MONIT OR
20 40 60 80 100 120 140 160 180
C
= T
DUT
J
- (Pd + Pd
R
F(AV)
REV
R1
100000
x V
10000
x I
1000
) x R
FM
R
Fig. 7 - Maximum Non-Repetitive Surge Current
(1 - D); I
@ (I
thJC
S quare Wave Pulse Duration - t
10
Fig. 8 - Unclamped Inductive Test Circuit
R g = 25 ohm
DC
F(AV)
F(AV)
;
R
@ V
/
D) (see Fig. 6);
At Any Rated Load Condition
And With Rated V
Following S urge
(A)
IR FP460
R1
L
= 80% rated V
100
R
RRM
1000
FREE-WHEEL
40HF L40S 02
p
Applied
DIODE
HIGH-S PEED
(micros ec)
S WIT CH
100
90
80
70
60
50
40
30
20
10
10000
0
Fig. 6 - Forward Power Loss Characteristics
0
Average Forward Current - I
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
20 40 60 80 100 120 140 160 180
RMS Limit
+
Vd = 25 Volt
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DC
F(AV)
(A)